1: (0 1 2)

(0)(1 20 13 12 2 7 3)(4 19 5)(6 17 15 10 8)(9 14 11)(16 21 18)

2: (2 7 12)

(0)(1 20 13 12 3)(2)(4 19 5)(6 17 15 10 8)(7)(9 14 11)(16 21 18)

3: (6 17 8)

(0)(1 20 13 12 3)(2)(4 19 5)(6)(7)(8 15 10)(9 14 11)(16 21 18)(17)

4: (1 12 3)

(0)(1)(2)(3)(4 19 5)(6)(7)(8 15 10)(9 14 11)(12 20 13)(16 21 18)(17)